Home / 870,003.84-1,304,583.85-510,292.24

Finding the Fourth Proportional to 870,003.84, 1,304,583.85 and 510,292.24

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Solution

The fourth proportional to 870,003.84, 1,304,583.85 and 510,292.24 is: 765,190.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,003.84 : 1,304,583.85 = 510,292.24 : x
  2. Step 2: Convert to fraction form
    870,003.84/1,304,583.85 = 510,292.24/x
  3. Step 3: Cross multiply
    870,003.84x = 1,304,583.85 × 510,292.24
  4. Step 4: Simplify right side
    870,003.84x = 665,719,008,561.41
  5. Step 5: Solve for x
    x = 665,719,008,561.41/870,003.84
  6. Step 6: Final answer
    x = 765,190.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.